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Home › Buick › 2011 › Lucerne CX › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 3.9L - Repair Instructions › Repair Instructions › Knock Sensor Replacement - Bank 2 › Installation Procedure

Installation Procedure

    Fig 1: Identifying Knock Sensor
    GM1587771Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution

    NOTE:

    DO NOT apply thread sealant to the sensor threads. The sensor threads are coated at the factory. Applying additional sealant affects the sensors ability to detect detonation.

  1. Install and tighten the knock sensor (2) to 25 N.m (18 lb ft).
    2. Fig 2: Identifying Electrical Connector
    GM1608498Courtesy of GENERAL MOTORS COMPANY
  2. Connect the knock sensor electrical connector (2).
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